VM 25 75

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VM 25 75 is a Corrosion Resistant Alloy. It is iron based plus main alloying elements Cr, Ni and Mo. The PRE is above 37.5. Structure is Duplex (austenite and ferrite). VM 25 75 is delivered in solution annealed condition.

​APPLICATIONS

VM 25 75 is recommended when pCO2 is above 2psi / 0.14bar with chlorine. Acceptable temperature is up to 450°F / 232°C. Some partial pressure of H2S is acceptable depending on temperature of use.

VM 25 75 can be used as tubing or casing.

​PERFORMANCES

VM 25 75 has been tested from room to high temperature for SCC and SSC with different levels of H2S.​